AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-24 06:50:58 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

blk: fix wrong idr_pre_get() error check in loop.c

Browse Source 
The idr_pre_get() function never returns a value < 0.  It returns 0 (no
memory) or 1 (OK).

Reported-by: Silva Paulo <psdasilva@yahoo.com>
[ Rewrote Silva's patch, but attributing it to Silva anyway  - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Silva Paulo 2012-07-14 15:39:58 -07:00 committed by Linus Torvalds
parent 1daaa5e4ff
commit 68d740d79c
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/block/loop.c
View File

@ -1597,14 +1597,12 @@ static int loop_add(struct loop_device **l, int i)
struct gendisk *disk;
int err;
err = -ENOMEM;
lo = kzalloc(sizeof(*lo), GFP_KERNEL);
if (!lo) {
err = -ENOMEM;
if (!lo)
goto out;
}
err = idr_pre_get(&loop_index_idr, GFP_KERNEL);
if (err < 0)
if (!idr_pre_get(&loop_index_idr, GFP_KERNEL))
goto out_free_dev;
if (i >= 0) {